1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Dorowa

Producer in Midlands, Zimbabwe with commodity Phosphorus-Phosphates
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10207844
MAS/MILS ID 7960250042
Record type Site
Current site name Dorowa

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 31.75133, -19.03025 (WGS84)
Elevation 1250
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Midlands(province)

Zimbabwe(country)

Africa(continent)

Land(continent)

Geographic areas

Country State
Zimbabwe Midlands

Comments on the location information

  • LOCATED IN SABI VALLEY, EASTERN EDGE OF COMPLEX IS ABOUT 1.6 KM FROM THE SABI RIVER, ABOUT 5 KM BELOW JUNCTION OF SABI AND RUWENJI RIVERS.

Commodities

Commodity Importance
Phosphorus-Phosphates Primary

Materials information

Materials Type of material
Apatite Unknown
Kaolinite Unknown
Magnetite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) 31.75133, -19.03025
ListMap

Economic information

Ore body information

  • Thickness 200M
    Length 8000M
    Width 2350M
    Depth to top 0M
    Field Value
    Type of Orebody #1 UNKNOWN
    Shape of Orebody #1 MASSIVE
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin MAGMATIC DIFFER
    Primary Ore Control IGNEOUS
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830519

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Non-metallic
Significant Yes
Discovery year 1938
Mining method Open Pit
Year of first production 1965
Milling method Flotation

Mining district

District name Inyazura

Mineral rights holdings

Type of mineral rights Unknown

Ownership information

  • Type Owner
    Owner African Explosives And Chemical Industries Ltd.
    Interest 100
    Year 1981
  • Type Operator
    Owner Dorowa Minerals Ltd.
    Year 1981

Comments on the ownership information

  • DOROWA MINERALS LTD. IS A SUBSIDIARY OF AFRICAN EXPLOSIVES AND CHEMICAL INDUSTRIES LTD. WHICH, IN TURN, IS A SUBSIDIARY OF IMPERIAL CHEMICAL INDUSTRIES LTD. AND DE BEERS CONSOLIDATED MINES LTD.

Production statistics

  • Year 1983
    Description Conc Grade 35.85% 132911 Mt Of Conc. Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Phosphorus-Phosphates Phosphorus 132911mt 36wt-pct
  • Year 1984
    Description Conc Grade 34.94% 134447 Mt Of Conc. Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Phosphorus-Phosphates Phosphorus 134447mt 35wt-pct
  • Year 1984
    Description Ore Grade 6.15% 1094706 Mt Ore Mined Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Phosphorus-Phosphates Phosphorus 1094706mt 6wt-pct
  • Year 1985
    Description Conc Grade 34.99% 137380 Mt Of Conc. Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Phosphorus-Phosphates Phosphorus 137380mt 35wt-pct
  • Year 1985
    Description Ore Grade 6.14% 1078108 Mt Ore Mined Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Phosphorus-Phosphates Phosphorus 1078108mt 6wt-pct
  • Year 1986
    Description Conc. Grade 34.47% 135637 Mt Of Conc. Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Phosphorus-Phosphates Phosphorus 135637mt 34wt-pct
  • Year 1986
    Description Ore Grade 6.77% 1047061 Mt Ore Mined Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Phosphorus-Phosphates Phosphorus 1047061mt 7wt-pct
  • Year 1987
    Description Conc Grade 34.90 156143 Mt Conc. Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Phosphorus-Phosphates Phosphorus 156143mt 35wt-pct
  • Year 1987
    Description Ore Grade 6.61% 1212875 Mt Ore Mined Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Phosphorus-Phosphates Phosphorus 1212875mt 7wt-pct

Comments on the production information

  • PRODUCT DESTINATION IS ACID PLANT AT HARARE

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Indicated 25025000mt ore
    Demonstrated 25025000mt ore
    Total resources 37100000mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 7.9 wt-pct Phosphorus Major 1980
  • Type In-situ
    Estimate year 1989
    Indicated 39600000mt ore
    Demonstrated 39600000mt ore
    Total resources 39600000mt ore
    Commodity Subtype Grade units Group Importance Year
    Phosphorus-Phosphates P2O5 6.7 wt-pct Phosphorus Major 1989

Comments on the reserve resource information

  • EFFECTIVE MINING RECOVERY IS 62.9 PERCENT

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Hardness of Ore HARD ROCKS
    Capacity 2917
    Capacity Units MT ORE/DAY
    Unit Production Cost 1.89
    Units of Production $/MT ORE
    Operating Days per Year 360
    Year of Information 1981

Reference information

Bibliographic references

  • Reserve-Resource

    FERNANDES, T.R.C., "THE PHOSPHATE INDUSTRY OF ZIMBABWE",

  • Reserve-Resource

    INDUSTRIAL MINERALS, NOVEMBER, 1989, PP.71-77.

  • Deposit

    AFRICAN EXPLOSIVES AND CHEMICAL INDUSTRIES, LTD., THE DOROWA

  • Deposit

    STORY, A SUPPLEMENT TO MODERN FARMING, JULY 1965.

  • Deposit

    ANONYMOUS, $3,000,000 EXTENSIONS AT DOROWA, CHAMBER OF MINES

  • Deposit

    JOURNAL, AUGUST 1974, P. 28-29.

  • Deposit

    BRITISH SULPHUR, WORLD SURVEY OF PHOSPHATE DEPOSITS, 3RD

  • Deposit

    EDITION, LONDON, 1971.

  • Deposit

    BRITISH SULPHUR, WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH

  • Deposit

    EDITION, LONDON, 1980.

  • Deposit

    DE VOTO, R. H. AND D. N. STEVENS (EDITORS), URANIFEROUS

  • Deposit

    PHOSPHATE RESOURCES AND TECHNOLOGY AND ECONOMICS OF URANIUM

  • Deposit

    RECOVERY FROM PHOSPHATE RESOURCES, UNITED STATES AND FREE

  • Deposit

    WORLD, VOL. 1, JUNE 1979, P. 413, 414.

  • Deposit

    WORLD BANK, WORLD TABLES, 2ND EDITION, 1980, P. 166-167.

  • Deposit

    "THE OUTLOOK FOR FERTILIZERS IN SUB-SAHARAN AFRICA",

  • Deposit

    DEVELOPING COUNTRY WORKING GROUP, JUNE 1988.

Reporter information

Type Date Name Affiliation Comment
Reporter 24-JUN-91 Fantel, Richard J. U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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